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Chemistry lesson plan: Periodic table trends

Topic: Periodic table patterns and trends in atomic structure (HS-PS1-1). Adjust the settings, then copy the prompt.

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Planning notes for this lesson

Prerequisite skills to check: parts of an atom (protons, neutrons, electrons); reading the periodic table (MS-PS1-1); atomic number and mass number.

Key vocabulary: period, group, valence electrons, atomic radius, ionization energy, electronegativity, nuclear charge.

Warm-up idea: Show a video of lithium, sodium and potassium dropped in water and ask students to predict what rubidium would do.

Exit ticket idea: Students rank three elements by atomic radius and explain the ranking using number of energy levels and nuclear charge.

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